Home › Words › M › mecopropmecopropmecoprop · noun — A common herbicide.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, mecoprop ranks #34,963 of 42,862 for Qualifying.EtymologyShortening of methylchlorophenoxypropionic acid.nounA common herbicide.Definitions & examples from Wiktionary (CC BY-SA 3.0).